Bump github.com/prometheus/client_golang from 1.19.1 to 1.20.5 #472

Job	Run time
get-product-version	4s
Determine Go toolchain version	3s
Go 1.22.8 linux arm build	52s
generate-metadata-file	22s
Go 1.22.8 freebsd 386 build	43s
Go 1.22.8 linux arm64 build	1m 1s
Go 1.22.8 freebsd amd64 build	47s
Go 1.22.8 linux 386 build	1m 4s
Go 1.22.8 freebsd arm build	42s
Go 1.22.8 linux amd64 build	59s
Go 1.22.8 windows 386 build	48s
Go 1.22.8 darwin amd64 build	45s
Go 1.22.8 windows amd64 build	45s
Go 1.22.8 darwin arm64 build	44s
Go 1.22.8 netbsd 386 build	42s
Go 1.22.8 netbsd amd64 build	41s
Go 1.22.8 netbsd arm build	46s
Go 1.22.8 openbsd 386 build	51s
Go 1.22.8 openbsd amd64 build	50s
Go 1.22.8 openbsd arm build	43s
Go 1.22.8 solaris amd64 build	45s
Docker arm default release build	19s
Docker arm64 default release build	25s
Docker 386 default release build	20s
Docker amd64 default release build	18s
	16m 19s

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